Mac OS X 10.6 code named Snow Leopard, may be pure Cocoa — The next version of Mac OS X is code-named “Snow Leopard,” and will indeed be Intel-only, we have learned. This info is hot on the heels of TUAW's original scoop about Mac OS X 10.6 being readied for shipment as soon as Macworld 2009 and being Intel-only.

Yahoo! Address Book API Delivered — We're excited to announce the public release of the Address Book API. I say public release because while the API is newly launched here on YDN, it's been up and running with some of the most contact-aware applications on the Internet, including Plaxo and LinkedIn.

Yahoo opens address book interface — Fulfilling a second major part of its promise to make the internal workings of its Web site more extroverted, Yahoo is opening the interface for its address book for outside use. — The move could mean that Yahoo, struggling under business pressures …

Why Yahoo's Yang Is Holding Out — Though beset by restive shareholders and pressure from Carl Icahn, Yang has his reasons to push for a better deal from Microsoft — For more than a month, Yahoo (YHOO) co-founder and Chief Executive Jerry Yang has endured a withering attack by shareholders …

Windows Search 4.0 Released to Web — Not necessarily a “Windows Experience” (although it does improve the Windows Experience) - I'm making this post on behalf of the Windows Search Team. Oh and I am really excited for this release. — Today we released the final version of Windows Search 4.0 to Microsoft Download Center.

A Tour of Risky Web Sites — Just over 4% of all Web sites are dangerous, according to a new report. But all bad sites aren't created equal: Cyber bad guys are more likely to build their sites where it's easy to do so. — The report out today from McAfee, a tech-security company that's trying …

Comcast targets bandwidth hogs in test — Comcast will start testing a new method for managing traffic on its network this week that targets heavy Internet users. — Starting Thursday, Comcast will test a new system that will throttle back or slow down traffic during times of congestion for heavy bandwidth users.

YouTube Annotations — YouTube added a new feature for video creators: annotations. “Video Annotations are a new way for you to add interactive commentary to your videos. Use them to add background information about the video, create stories with multiple possibilities …

How the Web Was Won — Fifty years ago, in response to the surprise Soviet launch of Sputnik, the U.S. military set up the Advanced Research Projects Agency. It would become the cradle of connectivity, spawning the era of Google and YouTube, of Amazon and Facebook, of the Drudge Report and the Obama campaign.

Crowd Science: Google Analytics For Demographics — Crowd Science, a new demographics service that aims to help online publishers maximize their audience and ad revenue, has launched today in an invite-only beta. The site compares itself to Google Analytics, but explains that it focused on …

Helping you Search AND Give — One of the most exciting developments we've had in the last year was the success of our inaugural Search and Give program where your queries helped to raise more than $250,000 for local schools and non-profits. Over the course of the year the program generated cash donations …

Sony's PS3 to Get In-Game Ads — Sony Corp. reached an agreement that will allow advertisements distributed over the Internet to be inserted into PlayStation 3 videogames, a boost for what could become a significant new revenue source for games companies. — Sony's games division is expected …